Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 29, 2023	Apr. 30, 2022	May 01, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 754,196	$ 610,970	$ 482,033
Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	356,449	307,807	237,576
Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	397,747	303,163	244,457
Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	351,020	256,620	202,139
Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	346,509	301,050	234,069
Service and other
Disaggregation of Revenue [Line Items]
Net sales	56,667	53,300	45,825
Commercial
Disaggregation of Revenue [Line Items]
Net sales	170,590	154,211	127,300
Commercial \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	132,728	120,776	98,243
Commercial \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	37,862	33,435	29,057
Commercial \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	25,821	20,849	16,535
Commercial \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	128,346	118,308	96,420
Commercial \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	16,423	15,054	14,345
Live Events
Disaggregation of Revenue [Line Items]
Net sales	284,900	199,106	143,049
Live Events \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	43,761	37,229	23,906
Live Events \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	241,139	161,877	119,143
Live Events \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	223,560	144,095	104,682
Live Events \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	36,259	30,181	18,679
Live Events \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	25,081	24,830	19,688
High School Park and Recreation
Disaggregation of Revenue [Line Items]
Net sales	141,748	111,816	91,557
High School Park and Recreation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	109,323	82,678	60,859
High School Park and Recreation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	32,425	29,138	30,698
High School Park and Recreation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	22,730	20,175	22,258
High School Park and Recreation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	114,951	88,162	66,697
High School Park and Recreation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	4,067	3,479	2,602
Transportation
Disaggregation of Revenue [Line Items]
Net sales	72,306	62,707	58,284
Transportation \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	24,950	22,088	20,180
Transportation \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	47,356	40,619	38,104
Transportation \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	45,286	38,843	36,398
Transportation \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	23,946	21,370	19,690
Transportation \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	3,074	2,494	2,196
International
Disaggregation of Revenue [Line Items]
Net sales	84,652	83,130	61,843
International \| Goods/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	45,687	45,036	34,388
International \| Goods/services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	38,965	38,094	27,455
International \| Unique configuration
Disaggregation of Revenue [Line Items]
Net sales	33,623	32,658	22,266
International \| Limited configuration
Disaggregation of Revenue [Line Items]
Net sales	43,007	43,029	32,583
International \| Service and other
Disaggregation of Revenue [Line Items]
Net sales	$ 8,022	$ 7,443	$ 6,994